@inproceedings{taoa, title={A Hierarchical Uniformly High Order DG-IMEX Scheme for the 1D BGK Equation}, author={Tao Xiong, and Jing-Mei Qiu}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170208224746483574328}, booktitle={Journal of Computational Physics}, }